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【单选题】
某试样可能含有H 3 PO 4 、NaH 2 PO 4 或Na 2 HPO 4 ,以甲基橙为指示剂,用NaOH标准溶液滴定消耗V 1 mL,再以酚酞为指示剂,用NaOH标准溶液继续滴定,消耗V 2 mL,已知V 1 = V 2 ,则试样的组成为( )
A.
H 3 PO 4 + NaH 2 PO 4
B.
NaH 2 PO 4 + Na 2 HPO 4
C.
NaH 2 PO 4
D.
H 3 PO 4
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【单选题】【例题·单选题】汇总记账凭证账务处理程序适用范围为( )。
A.
规模小、收付多而转账少的企业
B.
规模大、收付多而转账少的企业
C.
规模小、收付少而转账多的企业
D.
规模大、收付少而转账多的企业
【判断题】科目汇总表账务处理程序与汇总记账凭证账务处理程序的适用范围是完全相同的。( )
A.
正确
B.
错误
【多选题】如图是两种电池,分别标有“9V”“1.5V”“+”号“-”号,下列说法正确的有
A.
它们能给用电器提供的电压相同
B.
它们都能提供直流电压
C.
它们能给用电器提供的电压不同
D.
它们都能提供直流电流
【单选题】下列说法正确的是( )。
A.
测量时选择的连线应尽量知一些 , 无其它 要求
B.
双斜积分式 A/D 转换器的准确度取决于积分电路中元件的参数
C.
测量结束时拆线应先拆信号线或高电位线
D.
逐次逼近比较式 A /D 转换器的准确度与输入电压的大 小 有关
【单选题】汇总记账凭证账务处理程序适用范围为( )
A.
规模小、收付多而转账少的企业
B.
规模大、收付多而转账少的企业
C.
规模小、收付少而转账多的企业
D.
规模大、收付少而转账多的企业
【单选题】听力原文:W: Hi, John, how's your project going? M: Oh, just so so. You know, it seems less difficult to get financial support for the project than to get trained men. Q: What do we know about the man's pr...
A.
He did quite well with it.
B.
He has money problem now.
C.
He is in need of qualified staff.
D.
He could not carry it on any more.
【简答题】Wall-E: Eva! Man 1: So let's go to over the 1. and had a view of virtual race in the space. Man 2: Nah, we did that yesterday. I don't want to do that. Man 1: Well then, what do you wanna do? Man 2: I...
【简答题】M:John, you didn't like your colleague. Why was he so difficult to work with? J:He didn't know how to motivate staff. The _______ in the office was really bad. He was very rude to customers and _____...
【单选题】听力原文:W: Hi, John, how's your project going? M: Oh, just so-so. You know, it seems less difficult to get financial support for the project than to get trained men. Q: What do we know about the man's pr...
A.
He did quite well with it.
B.
He has money problem now.
C.
He is in need of qualified staff.
D.
He could not carry it on any more.
【单选题】汇总记账凭证账务处理程序的适用范围为( )
A.
规模小、收付业务多而转账业务少的企业
B.
规模大、收付业务多而转账业务少的企业
C.
规模小、收付业务少而转账业务多的企业
D.
规模大、收付业务少而转账业务多的企业
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